English-Thai Dictionary

tungsten

N แร่ ทังสเตน  rea-tang-sa-tan-lead

 

Webster's 1828 Dictionary

TUNGSTEN

n.In mineralogy, a mineral of a yellowish or grayish white color, of a lamellar structure, and infusible by the blowpipe. It occurs massive or crystallized, usually in octahedral crystals. This is an ore. The same name is given to the metal obtained from this ore. This metal is procured in small panes as fine as sand, of a strong metallic luster, an iron gray color, and slightly agglutinated. It is one of the hardest of the metals, and very brittle.

 

TUNGSTENIC

a.Pertaining to or procured from tungsten.

 

Webster's 1913 Dictionary

TUNGSTEN

Tung "sten n. Etym: [Sw. tungsten (cf. Dan. tungsteen, G. tungstein );tung heavy (akin to Dan. tung, Icel. þungr ) + sten stone. See Stone. ]

 

1. (Chem. )

 

Defn: A rare element of the chromium group found in certain minerals, as wolfram and scheelite, and isolated as a heavy steel-gray metal which is very hard and infusible. It has both acid and basic properties. When alloyed in small quantities with steel, it greatly increases its hardness. Symbol W (Wolframium ). Atomic weight, 183.6. Specific gravity, 18.

 

2 (Min. )

 

Defn: Scheelite, or calcium tungstate. [Obs. ] Tungsten ocher, or Tungstic ocher (Min. ), tungstate.

 

TUNGSTENIC

TUNGSTENIC Tung *sten "ic, a.

 

Defn: Of or pertaining to tungsten; containing tungsten; as, tungstenic ores. [R.]

 

TUNGSTEN LAMP

TUNGSTEN LAMP Tung "sten lamp.

 

Defn: An electric glow lamp having filaments of metallic tungsten. Such lamps, owing to the refractory nature of the metal, may be maintained at a very high temperature and require an expenditure of only about 1.25 watts per candle power.

 

TUNGSTEN STEEL

TUNGSTEN STEEL Tungsten steel. (Metal. )

 

Defn: A steel containing a small amount of tungsten, noted for tenacity and hardness, even under a considerable degree of heat. Magnets made of it are said to be highly permanent. It often contains manganese.

 

New American Oxford Dictionary

tungsten

tung sten |ˈtəNGstən ˈtəŋstən | ▶noun the chemical element of atomic number 74, a hard steel-gray metal of the transition series. It has a very high melting point (3410 °C ) and is used to make electric light filaments. (Symbol: W ) ORIGIN late 18th cent.: from Swedish, from tung ‘heavy ’ + sten ‘stone. ’

 

tungsten carbide

tung sten car bide ▶noun a very hard gray compound made by reaction of tungsten and carbon at high temperatures, used in making engineering dies, cutting and drilling tools, etc. [Chem. formula: WC; some forms also contain W 2 C. ]

 

Oxford Dictionary

tungsten

tungsten |ˈtʌŋst (ə )n | ▶noun [ mass noun ] the chemical element of atomic number 74, a hard steel-grey metal of the transition series. It has a very high melting point (3410 °C ) and is used to make electric light filaments. (Symbol: W ) ORIGIN late 18th cent.: from Swedish, from tung ‘heavy ’ + sten ‘stone ’.

 

tungsten carbide

tung |sten car |bide ▶noun [ mass noun ] a very hard grey compound made by reaction of tungsten and carbon at high temperatures, used in making engineering dies, cutting and drilling tools, etc. ●Chem. formula: WC; some forms also contain W 2 C.

 

French Dictionary

tungstène

tungstène n. m. nom masculin Métal gris utilisé pour les alliages, les filaments des lampes, etc. Symbole W (s ’écrit sans point ). Prononciation Les lettres un se prononcent eu et le g se prononce k, [tœ̃kstɛn ]

 

Spanish Dictionary

tungsteno

tungsteno nombre masculino Elemento químico de número atómico 74, masa atómica 183,85 y símbolo W (antiguamente Tg ); es un metal sólido de color blanco plateado, dúctil y difícil de fundir, que en la naturaleza aparece combinado con otros metales en sus menas; se usa especialmente en los filamentos de las lámparas incandescentes y en aleaciones de acero duras y resistentes .SINÓNIMO volframio .ETIMOLOGÍA Préstamo (s. xix ) del sueco tungsten , propiamente ‘piedra pesada ’, compuesto de tung ‘pesado ’ y sten ‘piedra ’; denominada así por sus propiedades refractarias .

 

Sanseido Wisdom Dictionary

tungsten

tung sten /tʌ́ŋstən /名詞 U 〘化 〙タングステン (wolfram ) 〘金属元素; ｟記号 ｠W 〙.